package encrypt

import (
	"bytes"
	"crypto/md5"
	"crypto/sha1"
	"encoding/hex"
	"fmt"
	"github.com/alexandrevicenzi/unchained"
	"github.com/rs/xid"
	"time"
)

// UserPasswd 员工密码
func UserPasswd(passwd string) (pwd string) {
	pwd, _ = unchained.MakePassword(
		passwd,
		unchained.GetRandomString(unchained.DefaultSaltSize),
		unchained.PBKDF2SHA256Hasher,
	)
	return
}

// CheckUserPasswd 验证员工密码
func CheckUserPasswd(passwd, encode string) (bool, error) {
	return unchained.CheckPassword(passwd, encode)
}

// ProjectSecret 项目私钥生成方法
func ProjectSecret(projectId int64) string {
	var buf = bytes.NewBufferString(fmt.Sprintf("secret:%d%d%s", projectId, time.Now().Unix(), xid.New().String()))
	hash := md5.New()
	hash.Write(buf.Bytes())
	return hex.EncodeToString(hash.Sum(nil))
}

// ProjectToken 项目token生成方法
func ProjectToken() string {
	var buf = bytes.NewBufferString(fmt.Sprintf("token:%d%s", time.Now().Unix(), xid.New().String()))
	hash := sha1.New()
	hash.Write(buf.Bytes())
	return hex.EncodeToString(hash.Sum(nil))
}

// ProjectEncryptStr 项目encrypt_str生成方法
func ProjectEncryptStr(hashId string) string {
	var buf = bytes.NewBufferString(fmt.Sprintf("encrypt_str:%d%s", time.Now().Unix(), hashId))
	hash := sha1.New()
	hash.Write(buf.Bytes())
	return hex.EncodeToString(hash.Sum(nil))
}

// ProjectThirdSecret 项目third_secret生成方法
func ProjectThirdSecret(hashId string) string {
	var buf = bytes.NewBufferString(fmt.Sprintf("third_secret:%d%s", time.Now().Unix(), hashId))
	hash := sha1.New()
	hash.Write(buf.Bytes())
	return hex.EncodeToString(hash.Sum(nil))
}